DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 141

• Manufacturer Part Number: DF3052BX25V
• Description: MCU 5V 512K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of DF3052BX25V

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

6.1.3
Table 6.1 summarizes the bus controller’s input/output pins.
Table 6.1
Name
Chip select 0 to 7
Address strobe
Read
High write
Low write
Wait
Bus request
Bus acknowledge
Pin Configuration
Bus Controller Pins
Abbreviation
CS
AS
RD
HWR
LWR
WAIT
BREQ
BACK
0
to CS
7
I/O
Output
Output
Output
Output
Output
Input
Input
Output
Function
Strobe signals selecting areas 0 to 7
Strobe signal indicating valid address output
on the address bus
Strobe signal indicating reading from the
external address space
Strobe signal indicating writing to the
external address space, with valid data on
the upper data bus (D
Strobe signal indicating writing to the
external address space, with valid data on
the lower data bus (D
Wait request signal for access to external
three-state-access areas
Request signal for releasing the bus to an
external device
Acknowledge signal indicating the bus is
released to an external device
Rev. 3.00 Mar 21, 2006 page 111 of 814
Section 6 Bus Controller
7
15
to D
to D
REJ09B0302-0300
0
)
8
)